{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136423",
    "entityType": "User",
    "nonce": "0x84a78c18b37fca22f6215cd87ed6f80cc9287066454256ae51c16e7d24049a81",
    "signature": "0x86a7404ad4f85229ce8710c9342f43af5d4ffbf375eb98688577e3206251a3dc20e59d882e65569a9829c2cdbf3b060891ff0f1e913cf0db33e1f58f1b1d89fa1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}