{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68720",
    "entityType": "User",
    "nonce": "0x2532f46fb36a706ca1e631046b4a8439a6f255cdf9f65ef81fb96c6c6320bb0c",
    "signature": "0x42aa1a33bce32d03a5d1d38bf724e9371b53ebd7352e453123bc73c03152dffa0665d6cf268a89a17eb20035b214c7908a5a87e805904bdf77151dde962072b91b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}