{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "691578",
    "entityType": "User",
    "nonce": "0xae771989abcb95aa4088e9b49c82c3c81f25bd620ff4e4ec4b26d14faf195002",
    "signature": "0xacb461ecca801ba18fec6807e54b036ca740ebf0de8420ba0c4ba057eb12ba0b048a46db6e56c0b8e14ddad176e04894f69ce8677924a0413ef1034d32fa23b51b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}