{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562613548",
    "entityType": "User",
    "nonce": "0x4ed304886f972af25349f82c99d782e0637143bace79bbf17b42aaae4599f583",
    "signature": "0xe159b1cf14f2acd18371c0c180a5de61931d202bac405d0c57cb03ceee840aac48d066a0330ca460e90d64dcaf5ac63fffacf8d87ac6334af445facfdbd8fa6f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}