{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103316",
    "entityType": "User",
    "nonce": "0x30b3425a14d53023b6c3f6669333e1a52fdf09b63bcfedf4fe3a76290986cd5c",
    "signature": "0x46dccd905ed0f5f491a899120a1a48280afee680813fd1b4ddc4f1cae65b4183667ee54325e3572ece6b2fda438f2e23cad1a09afa14a34f87e06aa7c2d080081c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}