{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xb2e13879f7dc5903c2523df08f9fb1152f36051791820379c4ea9dfabcb9b797",
    "signature": "0x3ca95eec60c5255e0535387d64a83bfe85570c04ec45cc97470ce8d033ac645d52b9add497f5c3ed05a48553352bd5c6e659dd2de21907bba498b60eafc78e521c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}