{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x3784ca7bb745ddc6661af6edaab2f6f34bd23c2e614d309faa180f1aef6bafdb",
    "signature": "0x8cff390ec3078a1bfbc27ceeac15b532a54119ae7d679f00350a96473bd6f02905d71a6ae2c3cd03b4567f60aa67f68e1683456e153824e3e9bc9a3083b313821c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}