{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5283",
    "entityType": "User",
    "nonce": "0x74a04d382bf655b505a4fdb127a21ecb279e8bcb77020acfc32c067bbe317685",
    "signature": "0xad59f783812939d00d949d0a83bdce47dcac027310797bf66e1417c683dfc6e1620d980bf1eaabccf454f3f9d0cdad92d4da29e4fad9fa7004015a91f323a2001c",
    "signer": "0xbf8E9a2a34545D0Ff9d02769fD943A905c9560ea",
    "userId": "463333871"
  }
}