{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212683",
    "entityType": "User",
    "nonce": "0x470f32c2c8639c5bd7834cb48142b3870f59507c96db1107bc0328f7196cb073",
    "signature": "0xeb266900c6f3aa6ad43e20e0962ddd024a38ac26844073aab2432f98c3d8f45869778c2750e6c452abbb4266e2297c9febab4c975857cb775f2b13edbf9233911b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}