{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xb906f675caa678dbe2346b3fdcb46bacc80b948530d36e94bedfeb1d432facad",
    "signature": "0x901e8cb83a7771c5ac185e1e4b8535c09e96ee5f3547c74000ea3f0ce1b89c4f087875cbf1acf2636fd78e9ba7579170996a59aeba68a1da885b0681fe17997e1c",
    "signer": "0x05fC7F397A0Ef264c87B851B5C0E4336dEFaD23f",
    "userId": "483595670"
  }
}