{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218470",
    "entityType": "User",
    "nonce": "0xbb7c6ed6d666e53e86a2a2731c1060a380991c5836041ca07a06e5a6a3e2277a",
    "signature": "0x2ade7a9c8282a9848074f04bc528fecb37f00f650a2eccf0e5217a65ad9ac9f7226a7e5640d25a83acf54eb7f0ba8554339b54fdfb15b3f27a2089c19080a8c81c",
    "signer": "0xc57645346D4df520211Ded3E5Dd676C1E3a8746C",
    "userId": "546166252"
  }
}