{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x107abf4e5849d1e5e45d7d2cefc0cb6c37e02f8d88bd9da1b70751884b793ec7",
    "signature": "0x113a33774c772be8a231402d2bec41b1df19d8927c157ea7da2d4293efd69632632c55d7e6c73d3ca3be4189e08674dfea2a1af2c0326071f574d217c9060e631c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}