{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x93a7648d7bbe7ed4fb2abf92bd2d1e65e325b0b3f55c0154e04c82f37b24f612",
    "signature": "0xbdd2a98ed7a8c5fcd49034fe7106e208a1ac8fa884f572469bf59d24abffc3044adc9d73fcd7de1224d99cab4e61256b93e7ca8ef5133cb6ca02de99d393c2681b",
    "signer": "0x8ca2E56acF4f2515d8BA92e79e45Dfaeb7E6Be98",
    "userId": "217982730"
  }
}