{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0xf67702719f5402e06eadb185cfc350435906137c5f3d511a4168e3fded79d704",
    "signature": "0x90817204d1234f4c660b54d7124272c9a5599e47f5e062c906680681e204f3d77b933b637dfa42884c86912c6acc178700d0b9bdf98713b43347590c53d099361c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}