{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38437",
    "entityType": "User",
    "nonce": "0xfd95d58b5d94f5e516cf56ab82f841711f0880318d7dc0310d393b50a1703f33",
    "signature": "0x8473c0cb423d17e51399f4854fa36692e540dcd81fe71b2ce9eb9a78df2f505d6f24b24bc356e98f3b6205e264e350047986808d86e2caa0906606db417b914f1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}