{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x9bc6ea71b038758ce8f7bb52491876877e7dc06a1edcdf8688ab40aa03a7978d",
    "signature": "0x5826074e7139df747ede82b04fc4d5cd32034deb90fcbc7c7015acfa2587d81263a8349987267604adb811ee3f5bf346f60615bc3210adb99b754d23c8e9800c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}