{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41943",
    "entityType": "User",
    "nonce": "0x3f92ff83ce4b48290ac986f3c4c800e01a5808e56eda221fe2128f38b5a3ca0b",
    "signature": "0x3086484679ccdfecf7074516e3235345401bebf042c4573852277ec3f882f259262d60e969175dfed8b8cb0c16c338ed17e5afc55f2e4c5bee88a5b24f8df2691b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}