{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6301",
    "entityType": "User",
    "nonce": "0xc77db46e5a38563ed3c4d049dfa95afd77f8112e0517ad60d8f7b6258f227433",
    "signature": "0x0ecaf5f9ac8ab39de91407ac54f3248283fab20ad664bedb93dc65d13ec70ac6179c804f6cf7618414c306ab2c38650da16e100e8f3c26ee4fa4c3e783e92d551c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}