{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0xb6d578b8e7da9914802cb8af3f38744749086035f44c01b3338106fd594dc6da",
    "signature": "0xc5266cf18b72a286035f55f885a62e08063ca6dacfee5f79d65929d36682246358de86abea6a665285999791cd8906239ac828ab180cfe19eff5cf74b3566e791b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}