{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029574",
    "entityType": "User",
    "nonce": "0x1878ff2989e68e95265a8b9b7bcc249c0c625b161b56884c9515526dbe10f8d8",
    "signature": "0xa73400db9789e145aa11fc6a09220e4da6daffcc2f208b3906728ed957f190cd4535d4565a1a4edee62e08b586c7ada957a9b707c74bf140530b0c5ab8f3378b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}