{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0x5e11a20c84da3099d0267636243d26fe961aca9384a58dd4d56df033aace191c",
    "signature": "0xa186ae44501349e7c8f16cb9ae445adf5a4fec813a42925fee76b2aa7c44dcff3ae7d8028c39b50d080fca5e2e76ff96a615249d36ac2b41d52997d57dd8f59f1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}