{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc7b136deab96b98d2c57fb9634b72bcb1d28a178461641d6cf3faa5e8b2a6cba",
    "signature": "0x67f8dcbf75b031689b1c32e11768cc9c190e5f3ca2b1a78f2db97093ac2abc1438483e0b836751f740e4df5647e42ee24f1bbf492ae89590240079d54048d46b1c",
    "signer": "0xBE10706BEE51FCEc6D78EE9a32A42e5481a89060",
    "userId": "20094634"
  }
}