{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x3c324877d3096b09ba864daf786242d8c737f5b3076c0cc1094f9e88018e2455",
    "signature": "0x19ccbc51498051d52730da45fa25ef0ae18beb7353ac5aa6d1b21694067a67a040c786e71457c29f9a14ab51bcfd7bf011cafa0eed417dd9f24bbf95e6fff66f1c",
    "signer": "0xC0f8D2C092ae50e1512d827eBeb817e1ea4112E0",
    "userId": "451729998"
  }
}