{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141361",
    "entityType": "User",
    "nonce": "0x22efcf6cba75d7aa3af613614b5646eb5189369727bde33528111e0611fa7503",
    "signature": "0x70cdb483f3bed0a85eee8186d4110666ac0b8110f69226e5dd8d59e86d3ab30f5e14ee75e53f6e0da996fc1cecb0bc553ed31e4c279440f569b28a62dd4eade71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}