{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61507",
    "entityType": "User",
    "nonce": "0xcbd6065bf90b6798666e8b0abd57f162aa236c09bb92933b61cddc9caaabfbde",
    "signature": "0xc07a187dd5e9ca02005f872dc19be639fb40f54baf1308fefaa6a3b4510878945ae50c1981ca20e7ea7e876dde158a3b17fd495a36fb95dbed19b2e1536c547e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}