{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64629",
    "entityType": "User",
    "nonce": "0x3162f0bd3a6c98d4b1fde97bc3a96c9decc7444a91cb7e5ab9887f4b672681e7",
    "signature": "0x61fe58e27c192b3a7db4ad70432651901ec1af1c3bd142a2e65f98c180c1f15022208350c940ddce4a14fc4ad1389e3b097d2ec5fe0d5173c1710c257eb10bd71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}