{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345849800",
    "entityType": "User",
    "nonce": "0x2920fbb7704ff1b597495f2c7b245ef1c1f862fae46269aaa0980fdc02aa98b2",
    "signature": "0xe261b98f275db97168d12a5afbe9e095a24b6114f8ca61352add12de741feb0f3885a52652a3da3d086745a54690411cd3d4ee35c804d3529603ee11c6b4c4ad1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}