{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0xff88ba42a9ad40a26c6cf63426c24e93db3c22d53ae8556c16adc96ed78bd4f2",
    "signature": "0xd9430025ad9d7a820d1d44a8e7078fcfa4660cdec394d3676097c5408c0fcc8d3260b1e17f211220b5310d71a95257b95d57602fa7e401ad93e801d7bbaa0abe1b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}