{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31af448a2800531139c89f726622dfc6f970ea5056fe83726226b55cf933054f",
    "signature": "0x5ec43d540de2b6aa8d04fb671faa241a6b5ee99e6028d60ce6ad5244cf13d58e3e8b0b99be554cd406d9dca1a456b7f89708d8b87d35cec9ed4073dade3b03f31c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}