{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1833006",
    "entityType": "User",
    "nonce": "0x1d477fd222cba2f596a0e0f68117d34ee36c20e45ed52c17c618ac2306ccf8cc",
    "signature": "0x14e54c79a18c637eb434907c6df57d82324984b8ceb8dee2d10c8d9042b31518118cb906266c0efb865d61405f63726957da421b41dd8c6abc57cf423edcc13e1c",
    "signer": "0xb9160bee52F73DAB98D7cB3210d24Be59194CaC4",
    "userId": "319969"
  }
}