{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1674010",
    "entityType": "User",
    "nonce": "0xeccc969f8d27d879b6ce690a56511e5e611db64b4285410b3a145e17347e6db3",
    "signature": "0x45df2014c5030e789c5fece946d443c06b8988aadf6d003ccd0b0c8af72560db34f8dc7efc414db0edd398821798263dc9cbad3c8f66741e11d8cb66a1d39d2c1c",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}