{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108185",
    "entityType": "User",
    "nonce": "0x5c0793e00330f7df7c2892322ee74e686c7465329fa0973daeb77f6c68b6412d",
    "signature": "0xc559d53071d95072eae332004295d046e158135ad66d0386b8b39239766a30a4382d3efa532142d34bec07addbf99c263f0c3ed6a86b1abdd77bb701c6208af51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}