{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0xda2ce6c44426b4506200d359bcb4ff6004cf4849691aeb7e43e0c12ee624bf0b",
    "signature": "0x884ca47ad055e6dcc2bec79c9b33fde1b51b544e4de00acd42906638537844cd2d61acd64235b98b1c737c6fc3f4b545bc2b24e59c8fc7a9812851d0a23d81f61c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}