{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95c842f94d8ecc1e7614be22b449e71d1895e6adaea34a943642f387ddaa031a",
    "signature": "0x7f8ec27cf6240317caf4216305de09ea7d2d5fd8b74096f92af34800652560a273074bae034053bc425d4bd58c93b6ecdd72e925e3f37bfc08d89361ab8a45ec1b",
    "signer": "0xd38fCd89451DC401cB952D400c57f726f41Ab621",
    "userId": "168021542"
  }
}