{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54988",
    "entityType": "User",
    "nonce": "0xa39ad1c9415d137dbae15a25e6bef1b18ce8f7f38c05ff83c0206134b91c1117",
    "signature": "0xc6be489327e56058eecae953aaf86eb805cf74dc7e1cea3298fc1f83159ed60962e62fedb79e8838244b516af25a630e51c019349b413253707f42615ed1eab51c",
    "signer": "0x3AeD7e119d14B0BA01d38E449739bcdc1F60A66D",
    "userId": "36359702"
  }
}