{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786939",
    "entityType": "User",
    "nonce": "0x75078894f2fdbdabbc6ae7383766e48242b5264e028d2ada2969625c2ed4ca6f",
    "signature": "0x3ea106039e7182a587d1b1ad5ce57b182b72971c17a2fee8010619cc538514da0e4c274e96bcf64aca079e850bf1fca3e00183517df59523e334c007fa7d708a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}