{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121885",
    "entityType": "User",
    "nonce": "0x20afe335d1363c0039da77bf41842a3050c085c1be1e6cdd0e3b4b7677c398a5",
    "signature": "0x7c606f7fa58304d5a439bb0e60dd2a0c19a78bd85622b462b28d071ef3aef33559930ff1852b9d05114353ae70314eb21288a887f54df74e17b52c909c318ebd1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}