{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0xca1a60a87100b44cf0245345e32303a51123152aad80c9581de0ade4350a3b67",
    "signature": "0x0d5fdc0e1a3c481c74a029391163a6b44f8bac24eca1252fbbe73b27844203966f42198ecc41de08d3a4ddab63d455736b4ee6bddeac0d40cacbb1669ae2ae751c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}