{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893287807",
    "entityType": "User",
    "nonce": "0x68deb340a9c0cb4aaa3544e440840c84e925ef15faac19e44954de0b0ce3f18a",
    "signature": "0xb0c37964c695db5613123854204519d5a0f6b7915545e1ba1b9c64a2a9df96c05dcf7651f900e2c8690e7997758ff5aafcbaa6d4108db2be8630b002254b2c761c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}