{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109656",
    "entityType": "User",
    "nonce": "0xc9f8a2b2ac4e297d1ab3d1bf817c3fae2f6cc228fd642389f30af2d5f8fb95ce",
    "signature": "0x8c781ca24a960530d390758450abb75fb5ae6ee2b3cbc7885348789ef4037a246865b73405d38cd37a2f9791db5568b383f7750b09d7fa8b1566d9969b4d2d941b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}