{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394061",
    "entityType": "User",
    "nonce": "0xd9c5f33e953199ece1ffa91c6ab023bda2f13a5133e96ed7506ce7013847fd57",
    "signature": "0x07e360ca1952c656c877c20e5b8a7a04cbdc40a25eac10d7a0c1cf808fd6e1a73fd540974d11ef9919e16eb49d46aff26d501ddc53ac6f3934a2ec15cc01f4a81b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}