{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394995",
    "entityType": "User",
    "nonce": "0x037d9a9262bf4af686702defb9068410df31c3a13761a6666b2aeb3bba031ad9",
    "signature": "0x1bc6fd2089be979aaa654ddf986196c21eecd6c06fbcee4ea93fc481b68deadb685142cc7f926f7aa96546180334c26464a18a3fd1891abe7421048692ccebbf1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}