{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdfc7536bb5f36bead4db3b13e335290c44820784a0a9ea3ac527535e70231f74",
    "signature": "0xef9e5f38a01f686480d787195be0348d4b2d2e0e9b3ac17b8fe80d1d8b45a9e458c88988e522bbec0bcd936c194589b8373c95d4139216dfc5d0ad747e5dbd0d1c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}