{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "246898",
    "entityType": "User",
    "nonce": "0xd047f507eb678402236c67e73b10477552b0cdcb2a82192daad8c72e168efa28",
    "signature": "0xe4158452993e9e216d49b5c1e5bef410aa6d3631a8909d10ad5cf82aaf2829d776d012c135f7204bef3365f2b9eabc8beed0f18de86bfac12954e51d08dceccf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}