{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x30b9dce4e12944c11ca5c59fdce0819993b0d5fbb2b65b1187cd92672f0eb62d",
    "signature": "0x018baf801b977be6f9608ed84d7fcf184462f9460860d4488eaed56ab3aa00f83eb7355a12f134110550ca4989e022a77a589f920998ba38aa4bd5e8585178a41b",
    "signer": "0x5c594Bd3B3aC930f825D236e5cF8eCBF0b85513e",
    "userId": "628071222"
  }
}