{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297464",
    "entityType": "User",
    "nonce": "0xc08135a3c5f796b017937cd64b1c4837991faa8b8726a3fd6404799ce6f26e3d",
    "signature": "0x05d88da1e3dd2c8d93f35184daa4ff123631a7323d8da7fe173970272f282be64f87e9ec6bbb55650545234f878ede7a314b9f0c00c4245e1630ae4b3cefa3271b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}