{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127754",
    "entityType": "User",
    "nonce": "0x78ac1acad407ba84b874d44461288e2adbc95eeed91db27c2a459a4e56862fea",
    "signature": "0x43b16b4ea467359620617b1b9e21a8109dd1cabc516e4d5e97df750b1533b49a6d85ccdbf104ece5eca1b925c87c1899e84a97e25236ad371d70e2c97df0cdad1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}