{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7172",
    "entityType": "User",
    "nonce": "0x8141542d9304f9c05dfff27c412bbb2d8e2d4289fffa005fc17b4eb87fadadf7",
    "signature": "0x486289c0cf51a2b3212961d96f796c5118c60457eeb3b9bc8ea140c943a50f09576688c82df58624d6a24bf1543ded670fd12b423d266feb7803c4ca3db8ab0c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}