{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x23dcfd97b0669a602ae31d3a0e887ccc5c955079104b3d437e44be5f51c80488",
    "signature": "0x623dea83e431f527b660734de155bb682d8430ea630a0fd2cac9d13d89e6fad617c4d8bf320bbe1bfefb045488fe37f1bc727faa68cc35166b9de7ce9973b73b1c",
    "signer": "0x0169Fade84DebCC7526D531efc537BcD79c1A045",
    "userId": "595827737"
  }
}