{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "788740193",
    "entityType": "User",
    "nonce": "0x160f49ee3379571a725726456be0e922e994e95dc851bc3a9aeff5fc681c135d",
    "signature": "0x342561f732991b860ccfe4c5748b179fb8a9a6905f3ee6ed3795bf8af3c1925a79d5326be7bf5fcf5163478a6f15ecdde85bfaa4e322fa5bbb1eadab6b9571171c",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}