{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73798",
    "entityType": "User",
    "nonce": "0x915ae6d64d18e1a40ad9b0c85db49ddf43a0c59a4c3e216b688a916cee637d52",
    "signature": "0x22ccb9307f9ef32784c915c7b26cfc13946faecaad8ab3ca84406cd8578af8122a6665ecc0edcb363323c4dbad9044b244c020c26e04fbbb4a9dea158f0d94ac1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}