{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "772732",
    "entityType": "User",
    "nonce": "0x1700e9f218025ac29d5c42f2eefdef3fca0cab0615fd6472763bf9b22d6727ed",
    "signature": "0x79f990015e412c1b13f23f08501fae6830734fd6da4723aa6b832738582270ac4d1c54e281733fb911a8e09a474d3eff541db246b761180c305055224b2bc2e71b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}