{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5693",
    "entityType": "User",
    "nonce": "0x967b386d2f3b0879a0b3ab490ae43787b84997a9d20897b5e1e7faf1c33eba93",
    "signature": "0x26c7159a285d58d567daa6a877895e7facd95f5a02d8d6b9823c9126b2c8ef2a308c69997716fbc3d1ad3e07bbea81f595ad8b8d871513ce95500901966dad741c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}