{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89208",
    "entityType": "User",
    "nonce": "0xcd10dea1b17e5c303cba5c7fdd7a9deb919ea49ab97732c0f0eb359e9360844f",
    "signature": "0x6ee7b706da2f5b6f546f4ac8285b4e02104daa80cd44e7a0a784e53603474ae642917b75418885ae68fd5b5dc33141fb6d483fc4675794fb2b0e3b5ecb1d74921b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}