{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0xe5a3610c5441e764b0d216f158eac731035b75e67689f7ac3d353d0dccf7cfa3",
    "signature": "0x3efd993b672506f1c782ebac951575875d9417b02dedcec233311128f9c83a2b290cc0b5a0a1ca84b88ad314aa483348301cef6a4aed042396e31d382709d6401c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}