{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195775",
    "entityType": "User",
    "nonce": "0x82d34dc7a5f9c3406950d643dfc97cd06bca09673b13adea7571d8355bf1a9f1",
    "signature": "0x312c3dcff0a741aca285b4c10b1513669c25c436d77bf5c61a554be43771400b549fb47b3ddb11a09a58566999d143d20e62e74e3d9a6b00806a0e82c04baeea1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}