{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72237",
    "entityType": "User",
    "nonce": "0x84fdd3861da2c5ad3f4fd36bd9d7fd77435a033b398fd776ffd60d6c72b4b99c",
    "signature": "0x9148aaa7957af0d023b19a7de372a590f55e331c870f3425df8391e835c65a55741d3fd381cf57537c2e3d179602295d290ba752945d0efc6adc830d043865ed1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}