{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166062",
    "entityType": "User",
    "nonce": "0xbf57edd5cfe2036e07a70f828bd6a9ee04eb59d99b8c14bcfc3ec91598ce6624",
    "signature": "0x3b9d1ed4919bed438bafb53093d3f941c6c595d5181bfe6cb270614cd5d0f225528533133c0c02f1889bafaf7e60f843deed8dcd44f94afe4e1ed110093f3da21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}