{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf95fc3361f98388fe3e05eff33410fc6ed972470d0025d0cf6499906352d9907",
    "signature": "0x0f95e4ee91c072ad50d45f2022dc628a0702a61366017edefc999ed2e4783abe2e5a4570ff6ae15d6e32c218479ac3363627a09ffc0886748ec4fd3ddeb1bf891b",
    "signer": "0x4f689EDE6658999E10a3594f86846Bc310879628",
    "userId": "86100594"
  }
}