{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0xf8243ce574f49233bc3b7704e269ef42b3372aac7293c814b2ba009644cd1898",
    "signature": "0x2e44da7a3fdd1b4e777937ed6ead0ea3f8094cdbfbc15da4db781fcd8f0e163c5123a6a60aee6cd0e47181133495d4ccb5d4cdaa975917e60608d9aa8969d1e71b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}