{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6f72ee0369654e3d31a3835ea60c0ab4601fff8b2037c3b3b3ce84c3fcb500c9",
    "signature": "0x2a790c733087b8c463d32f2d5ce8e2dcbe318314588784403cd6d134d854a80a109cf15521cddedc61554f77ce1cc6759249341963be991d4fe582f2230405611b",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}