{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359544",
    "entityType": "User",
    "nonce": "0xa9f1d96c742c970281a79e019ad4fe0f6554cd4d081eba07fd4663e90937f139",
    "signature": "0x5c9b6c2e3860d9f84f8b9546bdab734a1391f9c38fff273828fbaebaa21461be76bc198c552e721bcd9b3ebd7bef3291201de99d442f8df96f5c405fede5f6521c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}