{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1512626",
    "entityType": "User",
    "nonce": "0x94dd0fc79cba291309523e9dc01e08a3fb38b926723070009f9def9061bfabf6",
    "signature": "0xedc6a9b397cf5952585e86c11de8bbcdce6784cc14b00f413651fff58c9fbf5465e63b79a30bbb86d55fbd2ee38da089f8a99b3be983d6526089928ce92b5d301c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}