{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x49b9fe14d9a7dfa723dd6028e27b427776357f3e08063b12df3cdadb076f5699",
    "signature": "0xc6163f85cf938ac36023348ff9e723d64a92adaaa428886b4163e9181f809839743a4aceb180921f76b25e4b3c126c75c2ce0d173edc2bead7ff2f22efb9117a1c",
    "signer": "0xcd35912833e35d7Ffca75649735389daF4605EAe",
    "userId": "924713145"
  }
}