{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xddf61de0f77ebc47076fb5ffe4820442cdd4a6a92009601bfea575892e0b8665",
    "signature": "0x5d57e007f4496bfd58e4a6b4c0f5204b9ccf236f7f0d37a7ff714dd032395afe17f67b6e93c7724697248c6928ab05ee081dac457c8740a49a71a562958577551c",
    "signer": "0x8ca2E56acF4f2515d8BA92e79e45Dfaeb7E6Be98",
    "userId": "217982730"
  }
}