{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1152470767b6c8774ddb62cc4f7a0bafdc8e560e700824a513ee7cdbd826bdd0",
    "signature": "0x96178a9176e551251df77bd349d370ab23307ebc03c246692c46a77cc9d8dd5918bae39a1f31ce2319ff91972509c08b703d656158a84804f45e4ca7e6a6db881b",
    "signer": "0x1EF803Ce2d7502B22176E665C40BeCdD92f49f49",
    "userId": "677195430"
  }
}