{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29216",
    "entityType": "User",
    "nonce": "0x7af620323fcf155171c3c4fc12a532820396ff55b041439c4786b84ced917894",
    "signature": "0x0c8dd391736c87da149a37ff52d82bf966e9acdc222d677d795499768da1334c1dee1b9b8eebcf34b130baba2f91fb6c9e39550f7c7f17da761b7227baa4017f1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}