{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136334",
    "entityType": "User",
    "nonce": "0x3825ad187233b73d1878bb241b032438928c5036057145cd0a98a9b61ea4a8b2",
    "signature": "0x215245aa86bab1c55ead6c52b48bc784f536a665ed849622311edd312fa265dc032ef88f6ed3f4406859e234a243c3d4802155b3ddab5a6cf5a3511a53aa65e91c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}