{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x0dc78b06dd86bdad3d62861e3a1bc047cb16b7dd86363ec168c14700afef09ed",
    "signature": "0xb65cfa0b51b9cca09d240732a37d3a948a23e31de3380a8726a57d2d4a0bd4b60d994b4de12234113b2a0d372d3a5f536c2dfdf4e0feae507b8dd7c76e2988c41b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}