{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x62e509c1eb9b02033ab0dab745fa7b77719b59e9b218d1f3935f31ed4cd846d4",
    "signature": "0xdf4abf2aed7e8efe69b03508868c1d85cd7c8a93f4b0dc76de418bff42e172f8438c74446f2ac06301949dd05d57f7b5c2b3590bf287540d56127a308ca35ea31c",
    "signer": "0x94A3A277dAA40049Dd2a7f4D56752233ffF3Ce0B",
    "userId": "347578212"
  }
}