{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69401",
    "entityType": "User",
    "nonce": "0xe749e84f67d27c514ff83aee97f04ca37a5bc6166818d0e912c3443cc7948e80",
    "signature": "0x89c769decb14fbc6f711d516d4e9359eb119c49e735d949f67c42b8bd373f479217ef72e5af1ac38d5d7c810a2592050ca65eef84aa14fa3297fb9d71cc7250f1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}