{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0xdb6a83e2421ab17aca9f09f1bc679000d9577e30f719278590b602d43d06be7a",
    "signature": "0x4edcc821de4d3b675e33e2ff7a1b248dd684b0ee12f2807352533ca80fbdf23c6d9703ef8458b0af499f0644b6766959931dc03b451e1da6e94f83dd8aff28171c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}