{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd09ebdac270c6b9ba3460651c2005417c0700092f064fc0e9dbf102dfff3a81b",
    "signature": "0x32077f62b496cb0b8a83eebd5af9d5339cdf980d1846c0f0233693d4152d5b0c6269260e716101ae9878f72187db8f8fd792512fdb2e5f726c3018bff051d2971c",
    "signer": "0x1Fcc9309277ca1De97600de80d52EA2fDC732aD4",
    "userId": "701967908"
  }
}