{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2a95bb295324ff515bb206c4f6badb061175c2e41ca205ee68d3ca5e27afd4a2",
    "signature": "0x6e2f643d1994a902a9656eb2f09446523948e1f20e1a7861084655246a5e8c1302538582fe179edeae5ec25e5eb12fe175799b41dbc32605dd1869ebb9edb8bf1b",
    "signer": "0x09bAA7Cc1679c1cE4843DCF01641dBDa34C4AE32",
    "userId": "122062027"
  }
}