{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xbbd4a5d1ff4381632660f06fcc43136af0992a832064e4865803999b50eebd90",
    "signature": "0xa724ff975aeffe93628e5543499ec6e948b97d6536829eb44e60c1f92dc077413d1975ce9e774ebc1d609eb2f33d042b632b8c121259bbee7fe40799bbd147d61b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}