{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846884546",
    "entityType": "User",
    "nonce": "0x489a08b0b2d5787637dc53b44b061b254f65a513a4ca48f42d2fb6fbff364164",
    "signature": "0x41a76785298ad4008ffbbe1b3a5ee5c7935588f5e8bfed11e128f7cc79489023511874c8d74b5d67a4c4edf17c5e325858f57bb236a3b4c506a05d6f7f7015991b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}