{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1416845",
    "entityType": "User",
    "nonce": "0x7cf04d3259b33a9f6b56c0b1da29646cf4df72d2d48ad515099cee12da7ccc85",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}