{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119808",
    "entityType": "User",
    "nonce": "0x63c1bdde1bd1ba32d889cb2f7bcbfae1f24d763137b0888d8870319483e604d7",
    "signature": "0xd4220dc7d76ac7683513617a9f0fd963ee174c094898c1814732eb91ac214bee2a6e9696b5ec56e260de32d86197368dfdaa6edb7166025c86b12174a9dfd2c41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}