{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x92e94c39a1391e1709d248d08fe5e394a3193bfbdec5f773f2d4e9b8eb205eab",
    "signature": "0x96ee9a1bf6db4991ef55b5aa1104d8008082be425f799ad3f63238b082691ab257c720765b0318addef3399e0843d612fc4c6586ae12c683420c20c823b0c9af1b",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}