{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xd50fa916ff17e069f98ad994bc3810fcbb19c5ef8d18d2107d5bf5b95398cc06",
    "signature": "0xf7272e81b51868b0fdaf1827e64be6be05872e8022786e693234f7b670c5fd5c6171a47b9ecd6ab9649232df8ff92493a61d5b4b8021e082f58f8df2acfbedfa1c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}