{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115288",
    "entityType": "User",
    "nonce": "0x76c6c0149cf741984112b01bedcc3d1dead0b95587ea08b834fb9f51c1723d86",
    "signature": "0xb27f2c6469022c0956ed4453d507ec404ed18f389e408d6d78699ecb6c2edacc0b5be8262efc02a296410f6a2dab4728e35b2c84389c7e04ec9155bf385c09771c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}