{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293037403",
    "entityType": "User",
    "nonce": "0xd879255434f2dc978f8ab32927311cd37e3edd42f0c12ac59f89c6d574876c18",
    "signature": "0x51f4d77f2eb4f5729f895e519f82e000a9036c6d766ee793b9f4694e81ccc50e16d23e967c3d454b63db1bcca5d80f0b2831e82f53aa70162f4b15b01f4589371b",
    "signer": "0xE6E9069e3C913d45b16262c1f80eE143b7cBDefc",
    "userId": "994254791"
  }
}