{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40980",
    "entityType": "User",
    "nonce": "0x331c336855e3aaa4c5403098ce89fb8efe179ed28b131495befdec665dfc58c0",
    "signature": "0xbca51498678517f125f22cddef2a9f34d2a28a08bc46652ed18de2c5c4da38b372cfc10ddfe63c305182f59c30fd88326b3ce77a8c6d02b53f8e8380299d00dd1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}