{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1e8a84fd41f6d5127894adfdbc5f358cfc796fc9ee8ae2bb919dc2bc6c95b1b2",
    "signature": "0xe9153dbc4a9919a2731a300a429ca6ceafa4e72067d2da53bdd5b76418b5e5085d25cf31e4fadebc9ea022057e9c722b352abd1e0ceac8ee034dba55fecec91a1b",
    "signer": "0x84cF9C42D68454173Bbf62c32FB92f2dFB254842",
    "userId": "32972886"
  }
}