{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175233",
    "entityType": "User",
    "nonce": "0x525ee9d4d30c5db51d1e7eb2373560ad0e8c5cd3cadbb37b35114846fbb3517d",
    "signature": "0x90445b2500f83d71d75f9491bc5c213f3c9de5e262efb8345e06a121ac22e72f7d1ad863a96ca9bc2e50f1d7b99c194de11e1c04bb1943b72d8e052124f6f43b1b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}