{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103282",
    "entityType": "User",
    "nonce": "0xbc68faefa2cb7d216fbec34750898e9905c849b74f457a11bfac121c3c33bcee",
    "signature": "0x7239fb17c53e20784c99a7a5b78095be37ca02f91a9e2622f94c3cd57bcd313e334422cc5d93e45f7aa278ff931800c9cf7c7e034978710e1490abb5599258e11b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}