{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "304014",
    "entityType": "User",
    "nonce": "0x742a753a1910dd3276f158bc9c4501cf870e54350dab66596f40daffd45e5940",
    "signature": "0x49303f88bce03d050fe985f52f1212574f6c5b752951b9e91226d3d2ca2e7e3456902597ee3a54f8024e1bfbd5621b291c325343b306a0434029444b7fa98d731b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}