{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0xf3d244f47aababb3b4553f56774e01fe1f8c1c43f3482ba40b2cd5392e131533",
    "signature": "0x0300f5d48880e388581af744feb5cd39c86bac31fbf5d5ab4eef79a8e5c22a7e35c3a97b0b77dbe6f93d4a8275c04615e4178af7ed044f90c5736342cfdf6fcf1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}