{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79556",
    "entityType": "User",
    "nonce": "0xfbefa41a5300eecec874b0bcbc6c55a4cec8ab555da467bc1f59754ae7b56159",
    "signature": "0x66819d092e10bf32b33fc3606d13a9a8e3daa4bf59a061cc1d9062d3fe05a2425c2a7198b5a3da6eafbc6e0771be0bebd257f865db863e870fa855bab2111ca31c",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}