{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x23557eeb22cd2a8758e79628aca8370cc37191fb1c9ce09005dba857abc963cf",
    "signature": "0x8b4c9037506642aa075e30da7b64ee41f6bbce935bd924d2a6772d4e38eee2d34b8c9af9f7d619bff28745447be3aff0f9bd69c71052506727928590b5af21201c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}