{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0xe41f3d6618528333eeb3ea4407440efed8d0759e24081be154c3ed0e7f677d91",
    "signature": "0x628b0dc1c15cd789668e9a61e6d55343c4020d775a6633a5b1590a36baf01c0640599d7ecb0a1a20610d800da9e2265ada0096417dd899f7c70fb0bd20b9e9ad1c",
    "signer": "0xc74a5C0B76bF95109EFE2119058182fD3D75EA63",
    "userId": "222972690"
  }
}