{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84837b0d9d8a975072dfd4b508d77122141769f943326be085bebe72688d2728",
    "signature": "0x1832878bed46b19bb1efb3ecc9fb36debff101dba3ae07ead2267e22b6aa215456023048f8b52ae1bf4018d1a70020d766400f3b2dfaf60ee7d2b0b1d07fae611b",
    "signer": "0x9419ec352dF375A2e6C8eF34aEa32e06D330bAdf",
    "userId": "22443013"
  }
}