{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "620449233",
    "entityType": "User",
    "nonce": "0xab3ffbc615928d4324c63b4daa5f7a94be30b21a7d6d93d256a6e925163fed60",
    "signature": "0x4daeb10adc3f26a56efb23ed10d3b5f869c109f99f37eba27174707524d1b84e6cc421ae36502949805ec4d427e5fe526dd939ef8a2a3c502d26479e6832c6af1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}