{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205386889",
    "entityType": "User",
    "nonce": "0x567e89af77fe85adaa66e80645a58ca191c312166e755b2c7e63581c43eff9c8",
    "signature": "0xca00e66f65f688f77ae9f6500c7116869777cc277b094eb55925f31cac7e6a8f302412eb8923c8d5f04f7fb14e23289c0d11996eaa0e4f751350c6c518ac9f751b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}