{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x1afd4719fe5d206d877a7ec3425b0f05ecd9825f11c9bc2601a5556751deeab4",
    "signature": "0xd864156efc494c709b3877a568b71ae3951d3061959b050e3893a8fada678cf46273e3b38fb945392de70c8de17f8acd1da48406c54cb9bebd05de617997f1c31c",
    "signer": "0xBb2caCc6cEB2E54202DC5061152e55e2E7e6ed85",
    "userId": "1855643"
  }
}