{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0xe4002e0626be4c408de1d1948fb155705a590d364556f3df433bf59ddebd0932",
    "signature": "0xe084f3897ead289c059db8f9f948a856220b3bafaf2852558a635d8f5cd5d16736c30fa6d1139c025a01190419ac0c7cd2e630cdc755aacf855f706f04819a8e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}