{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406589",
    "entityType": "User",
    "nonce": "0x63c011159ac0af5c4aabb5d9d595838e2a43ed679f8b34e432cdd4833467f32f",
    "signature": "0x7811ae29106846c83c679cb507db6bfcd2c2d1b9ddf28a3836dd4af9137171a5655b838298b5953f86e1d050d2bb5798f1de5200c0417ec29d3e7f9196f8e7751b",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}