{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96034edb638891c9129896751d1f8ebd1f60ac9b4bfdcdcfef75d96d2915b70c",
    "signature": "0xaf3a58b4f2c4b8cbe086383be801d712b7c666efb0d4a20a4f18d6b7baed53042973b334e3e755369f5588697c6b244e09f860089940403bccfb71dea83b87081b",
    "signer": "0x5718D45728a6AB3eBAB075D945D2Dc5e674FA15e",
    "userId": "379990460"
  }
}