{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x672b93415c45ee9a612512cf6668cae554c50816734fee245c99ed54eb225adf",
    "signature": "0x1b2eeeaefa9eab682e43cd03a2173f257716137ac86ecb6b07d6b5b579ded43406effb53156713772d4ea6f88301f26935175dc504d4b8935d2c290ea3492d801b",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}