{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x44101031bf87c981fa7002b4716590c070356e11ee82d26144ccd03fe1cdd2de",
    "signature": "0xc3e1ca263cbba3192bf11f23191278cf7c8a68e0394800efdba8de1a5dd7a4a3349919163d4406e31fd0cde4ec7bf7f6fd216a4ede092100a7cb1da187b1794c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}