{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60",
    "entityType": "User",
    "nonce": "0xf40667a43e315fd5109c6ad8c7962ddd9588bc33f17b03c4394338aaf715a730",
    "signature": "0x137e1b1f66d8a73e76a6d5c600aacb98470d5887a7f5ea967aca9b2e5cb281611a54692bbcbbed9df85654a388957f3ea6b8bc7926dd589c2f1f9a4ceecc763e1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}