{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0x4f20d71b5b74c8335925b0c331517bcf429754c9aa12523133b0205939fef8c3",
    "signature": "0x931036cf1cd391b9b0110b4899c5bd8cd6405182d5db1224d60e0007924dc72675917c41119ac0970a41c52515acda88e07500605aa9a798f1e67537dcbbf4681b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}