{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56798",
    "entityType": "User",
    "nonce": "0x3773fbcbb70c7c03ded990f01862390e936c31d789087a6e130a2c5c803700b6",
    "signature": "0x1816e1ab7511c27604be547e21ba7a3a77813379a3cafdedf0a99673195d3c5e22cb4319d7064c4067c2449429dcd70a8ea75ea3bc855a2505b2f3ea1114422b1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}