{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189558402",
    "entityType": "User",
    "nonce": "0xc245418e7c761e8b3d90561caa72ef8fe0c85f6ba64810d867b304d5a930ebe3",
    "signature": "0xaef4b5498968ac0771de0460ef0e1f3561447f2c675c7975d32cdcd6e6fed97640be462a947f7435f95af5929401f30c0b17b4b521f0da6ee7e3435a2dd8a6b51b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}