{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb7ee08d3a76223e7c7f460fe286096b492405201dcadcf2d4dd4df1d9b9669a9",
    "signature": "0x4944234cb4279c5f69ffc14362108019e7178a03920e73ac599b9cbe6012b5c3339e90d03258013f172cef9a7a76329801dab227b56fbf3d678c9076071580401c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}