{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xb6710528173d802f9fda681e6b9a8f144e08c49f0c6b60109164f6871cfff744",
    "signature": "0xbf99190ae0341c13c553ec040899132b338454980427e03dde5454075e4d9f9a480f3af52b7da5c53edc3aa768b5fee2412fb801cc8620542941b9c4f9511ae81b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}