{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978785085",
    "entityType": "User",
    "nonce": "0x440ab31febb427a2f4941da11346ece66ce4e2596f4a5555bec1d4dca13b4514",
    "signature": "0x37869e41f0e3922393bda815eff6e86416db11539e8e7b53d9e0d5554a08938d12aac74e3f70b68172aa2736d81f5294ac056d4512bb98b836e99ad10d7e29391b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}