{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0xde0799648fbef386c24e2a8941655736eade46fb2fed9e45e9d8161c971de014",
    "signature": "0x38233123bec0587d21f78a2f65787fd9e8cbe9a2df998df94f0b1bb827747d451be1c7b0e4f28cba4fb3ed166323da996783e4eb58fc546c340c848433cbafbf1c",
    "signer": "0xD2Aac9AfBCCCD7fe1cE86a4b23E8e304cBb38aD3",
    "userId": "472132674"
  }
}