{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5d737b2b2f686e1297833c60ebb62a3ae6f8fd6c8471db8af37d0d395562a39a",
    "signature": "0x7946718d84dd7321684a04bdab5400d6d7c7d67355d1d353412c87b1c0238152587576b4cd7026e4f1336d82819d8b50cf121a89f18e2099616dbe9dfca64a861b",
    "signer": "0x85Abb3Ade7EDAd79Bd53aDc2F33a1B0af2DCfbB6",
    "userId": "205496794"
  }
}