{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x05976a05b14649db02ae8d94d445d8d4f3f7217cead820a159e96d6889b20c0b",
    "signature": "0x9be3178a8df5a3c65010cf564c24f8dc31facf2dac9b0ed07261d1a6f912140b4dee255e9c3e63072eaad6e3a42dbf4690c55f36e020d43a9beed1db0cdd607c1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}