{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4585712beafe0b7af4cd40b07c2b901622afcd902d1d6d0b48cfada8866e8abe",
    "signature": "0xd592ec35f6fe5ca85accf2fdd69c7fd4d4538452abae2793886769634066ee194c662df648678958a752eafd6eb418eef474fcf6c43b574e6e40c4b53f6f03151c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}