{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xc74f34bcd18af5aaf69ecfaacf247e981f74e1369b05ce08dd9c130a3274457d",
    "signature": "0x08ff54a2abce35017b73e193eda34278ec28e431ddf61a23b74cdb37a143ac6d760eb2f527a72d800d1ff03dadf2ed89fc783b3a4f22ef6bcca969a7bae22b751b",
    "signer": "0xA7e5b3c6d06C38A408547F8fd01d4745C2E728Ae",
    "userId": "601241019"
  }
}