{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x765f51a176e04d6bf3e2fd09dada5d57417e40af1fc4a4fec0af3ceeb6124f59",
    "signature": "0x86b1eb56df0052f30807fc75e2abe7b91c1de9d8abcd7e4916e13fff94634e1444dfbbd92db910ae47fc5a04c67befea0931b7dd7f1a6a0b08e832c228cc2eec1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}