{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3239",
    "entityType": "User",
    "nonce": "0x65eb6cfdcc2c34839b0d0a0e49519fe06b885e189b44826fcc2e32dc1a2a706a",
    "signature": "0x2bb4baee27f88d639d81cdd9b3dcc35df4534da250396e3208795fd5231131fe142cb2956804b59b55fb4173b009063d4d381457b2449417e50a7e43bbf77b331b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}