{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206845",
    "entityType": "User",
    "nonce": "0xd587220cb4727e9f2b23cc32ba2e5e734d9b0189d9e11cd86c6581e287483722",
    "signature": "0x5c95e6809fa4e65d01a633e5f4ce056de6be967bd1f5331909044ccdcb0c5f22567427f732f6655f808d940a907577096155920d1cd8feb86e38635b8c64e99c1c",
    "signer": "0x9c5e7F56Eaa8b6eBFA8F0e7231898e369d2e0b18",
    "userId": "767121958"
  }
}