{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x183c4efab42af09aceb50eb1410c59ae42efb81c4e062b10763675c2aaec2ce0",
    "signature": "0x0bcdfb0b565588c69e981d705778c20edcd9b25486e010edc13bd1a8091704566e14f4b905f2c5940251293e9ad7aa74ea7e1f2ac1219b5e7ceffa69c98b81811b",
    "signer": "0xbA0670F2A7BC5E84671A430fF33D0241c3ee5664",
    "userId": "726485687"
  }
}