{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x56ba329be608d33d2db21c2e81262b754d21042d7d885db0328f3fcae11cbe8b",
    "signature": "0x09e3aa74837e58cdb81cc52e7866fb10d95d4ceb6cd7cd441e36c5573d76479414ba23cff8e0cd7cafaa165c39e168b97c70c1a307f8cc7903ffa3e769c12c781b",
    "signer": "0x68AEd22766Ac1783c19EAD83DD0239e1eA879229",
    "userId": "267448071"
  }
}