{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625268953",
    "entityType": "User",
    "nonce": "0x2009ce034ebdad5585f797e77eeb62ddfb77677c52f4b60b574ff57d908732e5",
    "signature": "0x0a5c4e7f377a8abcc77b064def3dba32b59fb1e18c8b451d220cc528dce3362c2ef637ba40119a9ffb072edc5b9757aeb3042470878f84666c71c20a251023261c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}