{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0xe16b3970091a9c98f3e565bf12f385b9012facd0e2d30f2870ce48a29fae5899",
    "signature": "0x859396e20df725f86b6e3b2fc49eaf5514e876b4c120f2d86f1982eb7825eaf804c1ef40dc02b846fffb71e719706b7cb628e8c1c4edf42c4164e9310b7db2f81b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}