{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329041",
    "entityType": "User",
    "nonce": "0xd941c4e70abbe1397109cea358a8a433e4b1b00b1d07bcd57f8128cef70e7c22",
    "signature": "0x70a3b24d1b3eefdd531e50b75e81d9b64b96e275f5fe33e63bdcec671784c2be1354f8cd3afbb8e5156d7716b69ece7dd0ddd9a4442486d18e18c68b56ba48961b",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}