{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0x9b75e2b56687598da0af3c00637ec5c4204ef95715689c781740d73958677c0a",
    "signature": "0x4974d8cd5ad36bb55c5d602e0b4cb7cf4f0659bd6add35d3875db8f83bcc4b84657bcee30c387e822df4e31f45ad61046cc14892f06e035beef85adf62f3a2181b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}