{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "410577409",
    "entityType": "User",
    "nonce": "0x6f50c18e1d47f79479d72634e375639c5d37db4ff31c35a3e8277226fd33d256",
    "signature": "0x462a542d9ef40cc50f5d488c16ac7e058af746cd1f63574379e9a6ab484e5f8856122cbc44598b98f7bd4e95f218131053fd6e7e48b6a0b878c764e746d75a301b",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}