{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xf1a5f97750bc1df47c84184420205ad572aa39b9425294da860fe3c97e01363d",
    "signature": "0x653eae8a167ec735270deeda80a053499aad8128ce23d8696ba52f509926d3622d2e260ea0d24b430570c866f9b0521d5b76708295a38340efcb53fe311be52b1b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}