{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x95640b98a2938f93600648a1f424616bdcdf2cdd7a4242926ef00c948e6412db",
    "signature": "0xe1c0a2b53b40590294d52e4edfb8452b5b910aa45d462a5e0a17680e4fa32a0a79cd86457365bdad001c331069fb1487bccd603889bdf3662ce234af86fad9021c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}