{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf2afbb677e8c366fd5dd7ba0dd0f9d1e74aa506c6efd7b46be22947b40ec363e",
    "signature": "0x4b9ce45ab0875ecfadf93d6015fed8b689fc48b150da94c991e85d73f545a5d46b5e6d7d99546a99877014583cd863f639fe911ccc87358ec377918c9866a31f1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}