{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95ee4e5e768c2c27d907c88166c278cf5d017e3790de4ad095a62553e09d3248",
    "signature": "0xd0a86179d1d77504b3b287185f560907b23afd3acc9dbe7483f726ba8391cae66a4e08e18afa73523e81101f7b4360f77adebe881530b4b415c25dcb04562a5c1b",
    "signer": "0x75d782C5a68f76DfA69c426479B6ad14383D035f",
    "userId": "328056745"
  }
}