{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125858",
    "entityType": "User",
    "nonce": "0x170373762a58a40d2c33c9f67a6f906a4fe69395cc554d38c81333ace01f3e6e",
    "signature": "0x4d2a1b2b3af992abb69ad59082c4eddffd35c2b37b7b1b45d5214d95003e3734547720de053e669f2879f1bd3d30cffdb46955e8cd44dec8f7b8fac1d2fb59161c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}