{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195980",
    "entityType": "User",
    "nonce": "0x46be8bcead7e187be2a30cc964f1090814fb94422b7db39dbf61b3ffc6dc6bcd",
    "signature": "0x44442da367db02babb69697ecd9bb5b5dd92cfeb03e1fa3e03c1ec29c78cb97b18b20d56399c9aefdbb4687150517d95b72e097f50453f7d479c35057c4003781b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}