{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x692c97a72a1681c457a26cc11f1955bc781ad761b02ec4b84e355a8a67a56f02",
    "signature": "0xce75ec32f267467b395d4a67f9b504853f70d80e1a28fb12fc2b9137b88c106f7de5778c875fcfccd606e1a93e75c9199d275f7439a75380971671bd56af94a01b",
    "signer": "0x14d7618B82Da4e7176FDe32e4379943eCd69798D",
    "userId": "238125623"
  }
}