{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135771",
    "entityType": "User",
    "nonce": "0x2481d658098485f5e7bcae1ebfb96ee0c9f45fc3763f3333c1cee9a537d1eae5",
    "signature": "0x364886e8207455507957ad8a070b9bea77a3c1325dbb571c08f84c989bac27784a1101b1be643d4e5ec10c7d8732522522b6e0691c6842601499210d460c23bd1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}