{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48826",
    "entityType": "User",
    "nonce": "0x4719c37d13cddf54187b1126a07f71451f17f278052c067ed4a9e71750cabc56",
    "signature": "0x8a6de42bc6120f0ddc7f9578f9c74ea0870e34e24c2962d2413cb18852439421175995a27d8ba140eea16625d466e0b75a3f090173de259e6978923547171cf61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}