{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106088",
    "entityType": "User",
    "nonce": "0xbff1a9f388cd318388ab28dcb75d1d28ac12008b0be4fe285e09ee6e088cce10",
    "signature": "0x8391a0d3198eb3e6b47cafc33fe812521f60c0189526ea76a73b115024b20df868c52fd986772ac5a8fb1386c87f753fee8465a754a937779119cd56fdbb57511c",
    "signer": "0x90A9ad55aae6A3ac7D73EB5114a90ac9AEB777F7",
    "userId": "815799751"
  }
}