{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364820",
    "entityType": "User",
    "nonce": "0xdbcc5d7184a019840ac726625217fea579108997845459b78c64dbd6fcc75c90",
    "signature": "0xb8cf1773bc9437d2bbb4a62735d73b8975988135874c099bdc44f67b653aabb7143d36f3db5b64ebc5b0d341db94af0935abc3315cc773620f4909c750094da71b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}