{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59355",
    "entityType": "User",
    "nonce": "0x6c49a3683c898a2338b13834bcad8dbad7ad86ef1e7b884e2c41d82a503ad698",
    "signature": "0xf7a353bd3edb23f583c76753a4b52b1d934a5c76087274cab7ac5c634a19e4b92819501551e18fff7601374e5e83b4de3915b2aec4fa771d335a3b46d0e006481c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}