{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0xca3122f5841c108cfc778bbf72ef18e287e53d6c81ab1a686e20cdaad67e7ea2",
    "signature": "0xd05bf7703b9c2c50e74d61f25fc9c3a8f1f1da22e349e512525d5eaa0f4c01af32c38fdf6c37116d484536a811478cee6ce99309871f8923ceb404c19f73822f1b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}