{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315617",
    "entityType": "User",
    "nonce": "0xf9273519468a389fcc883afd9c743fffcdbbc6129017a74205c3c61ca7e22244",
    "signature": "0xd89f6b84c5ff95a25bcfe8e051aab6d1fae629557f69e29b697bb7ce17df7149426ba08cf838c607b07b8ee854e98d24fee1750ba6df50cb8ce723e868cc341e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}