{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111833",
    "entityType": "User",
    "nonce": "0x4ee9edd542d35f1da57a8e407c7dc748b9bf1fe9bcdbf0898bd97138a2c28bce",
    "signature": "0xfaeb6defb26cf5ce4f8b493d8f4a13736fd1acd6fcfbd3d69374639e719af6ca4107a7376f5c585c0cb386668e68f5ea7b8c3f9032525113c75e39c87b5c25271b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}