{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17687",
    "entityType": "User",
    "nonce": "0xa5078c6ef6c369d365591578867e04790b94d00f0c601bb5f1701981cdd8f94e",
    "signature": "0x5134015fec9c9ea34aef4faeb17b19b1d4777b711f102de8d94ec79472771f8e62649a2c273ea12247c44948f0c416bb54f76c20a1e959240bd42d6965e0cbd01c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}